[GHC] #12613: Fix spelling of INLIN(E)ABLE in comments

[GHC]

#12613: Fix spelling of INLIN(E)ABLE in comments
-------------------------------------+-------------------------------------
        Reporter:  mpickering        |                Owner:
            Type:  task              |               Status:  closed
        Priority:  lowest            |            Milestone:
       Component:  Compiler          |              Version:  8.0.1
      Resolution:  fixed             |             Keywords:  newcomer
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------

Comment (by mpickering):

 Thanks Joachim. My next question, why is `INLINEABLE` even accepted at
 all. We don't accept misspellings of other pragmas, why is this different?

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12613#comment:4>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler